PROBLEM TO BE SOLVED: To provide CGI-58 expression promoters that promote CGI-58 expression.SOLUTION: A CGI-58 expression promoter includes at least one selected from the group consisting of Puer tea extracts, Apocynum venetum extracts, Psidium guajava extracts, Citrus aurantium extracts, Juniperus communis extracts, and Scutellaria baicalensis extracts, as an active ingredient.COPYRIGHT: (C)2014,JPO&INPIT【課題】CGI-58の発現を促進する、CGI-58発現促進剤を提供する。【解決手段】プーアール茶(Puer tea)抽出物、ラフマ(Apocynumvenetum)抽出物、グアバ(Psidiumguajava)抽出物、ダイダイ(Citrusaurantium)抽出物、セイヨウネズ(Juniperuscommunis)抽出物、及びコガネバナ(Scutellariabaicalensis)抽出物からなる群より選ばれる少なくとも1種を有効成分とする、CGI-58発現促進剤。【選択図】なし